Navegar

Colección

Datos Estadísticas

Artículo

La versión final de este artículo es de uso interno. El editor solo permite incluir en el repositorio el artículo en su versión post-print. Por favor, si usted la posee enviela a
Consulte el artículo en la página del editor
Consulte la política de Acceso Abierto del editor

Abstract:

Time-resolved and steady state equations for successive singlet and triplet quenching by the same quencher in micelles are developed. The model assumes that: (i) the quencher can distribute between micellar and aqueous phases, (ii) the probe is completely micellized, and (iii) the distribution kinetics competes only with triplet events. The four parameters of the model: singlet quenching, triplet quenching, the quencher exit rate constant and quencher distribution equilibrium constant can be obtained from fluorescence and triplet quenching experiments. Limiting cases are analyzed and the applied to zinc phthalocyanine quenching by methyl benzoquinone in CTAC. © 1993.

Registro:

Documento: Artículo
Título:Interaction of singlet and triplet excited states with the same quencher in micelles
Autor:Daraio, M.E.; Aramendía, P.F.; San Román, E.
Filiación:INQUIMAE, Departmento de Quimica Inorgánica, Analitica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón 2, Universitaria, 1428 Buenos Aires, Argentina
Año:1993
Volumen:204
Número:5-6
Página de inicio:415
Página de fin:419
DOI: http://dx.doi.org/10.1016/0009-2614(93)89179-L
Título revista:Chemical Physics Letters
Título revista abreviado:Chem. Phys. Lett.
ISSN:00092614
CODEN:CHPLB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00092614_v204_n5-6_p415_Daraio

Referencias:

  • Kalyanasundaram, (1987) Photochemistry in microheterogeneous systems, , Academic Press, New York
  • Graetzel, (1989) Heterogeneous photochemical electron transfer, , CRC Press, Boca Raton
  • Fendler, (1982) Membrane mimetic chemistry, , Wiley, New York
  • Tachiya, (1975) Chem. Phys. Letters, 33, p. 289
  • Birks, Dyson, Munro, `Excimer' Fluorescence. II. Lifetime Studies of Pyrene Solutions (1963) Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 275, p. 575
  • Encinas, Lissi, DEACTIVATION OF PYRENE BY INDOLE IN MICELLAR SOLUTIONS (1985) Photochemistry and Photobiology, 42, p. 491
  • Negri, Zalts, San Román, Aramendía, Braslavsky, CARBOXYLATED ZINC-PHTHALOCYANINE, INFLUENCE OF DIMERIZATION ON THE SPECTROSCOPIC PROPERTIES. AN ABSORPTION, EMISSION, AND THERMAL LENSING STUDY (1991) Photochemistry and Photobiology, 53, p. 317
  • Nonell, Aramendía, Heihoff, Negri, Braslavsky, (1990) J. Phys. Chem., 94, p. 5879
  • Valduga, Nonell, Reddi, Jori, Braslavsky, (1988) Photochem. Photobiol., 48, p. 1
  • Gassmann, Jenny, Braun, Die Effizienz der physikalischen Löschung von Singulett-Sauerstoff mit Benzochinon-Derivaten (1983) Angewandte Chemie, 95, p. 816
  • Xu, Shen, Zhou, Shen, Liu, Li, Zhou, Xiao, (1992) J. Photochem. Photobiol., 65 A, p. 267

Citas:

---------- APA ----------
Daraio, M.E., Aramendía, P.F. & San Román, E. (1993) . Interaction of singlet and triplet excited states with the same quencher in micelles. Chemical Physics Letters, 204(5-6), 415-419.
http://dx.doi.org/10.1016/0009-2614(93)89179-L
---------- CHICAGO ----------
Daraio, M.E., Aramendía, P.F., San Román, E. "Interaction of singlet and triplet excited states with the same quencher in micelles" . Chemical Physics Letters 204, no. 5-6 (1993) : 415-419.
http://dx.doi.org/10.1016/0009-2614(93)89179-L
---------- MLA ----------
Daraio, M.E., Aramendía, P.F., San Román, E. "Interaction of singlet and triplet excited states with the same quencher in micelles" . Chemical Physics Letters, vol. 204, no. 5-6, 1993, pp. 415-419.
http://dx.doi.org/10.1016/0009-2614(93)89179-L
---------- VANCOUVER ----------
Daraio, M.E., Aramendía, P.F., San Román, E. Interaction of singlet and triplet excited states with the same quencher in micelles. Chem. Phys. Lett. 1993;204(5-6):415-419.
http://dx.doi.org/10.1016/0009-2614(93)89179-L